Flue size common venting uses.
Fireplace chimney design dimensions.
As a general rule the diameter of the chimney should match the flue collar on your wood stove.
As the lined chimney except that the chimney wall must be 8 in.
200 mm see fig.
A damper is a small door inside your chimney that is usually opened and closed by pulling a lever or chain.
For example you could vent a 6 inch stove into an insulated chimney that is 8 inches in diameter.
Unfortunately even the best chimney designs can require occasional repair.
Building codes typically require a minimum flue size expressed in terms of cross sectional area in relation to the area of the fire place opening.
This article series provides information about masonry fireplaces.
Dampers are used to prevent energy loss when you re not using your fireplace.
Common repair issues chimney design.
A 6 inch stove requires a 6 inch flue.
Fireplace design details checklist sides of firebox must pinch in towards back back wall of fireplace must be straight up for first 12 inches back wall must slope towards front for remainder of height width and height of opening must come from table below smoke shelf up above fireplace must be sized.
350 mm consisting of the same elements.
50 mm of noncombustible material brick and 3 4 in.
An unlined chimney s minimum wall thickness is 14 in.
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The fireplace opening is a very important element in fireplace design.
Fireplace opening and flue size in creasing the chimney height in creases the amount of draft.
Figure 1 shows details and table 1 provides the widths and heights of fireplace.
Stoves fireplaces central heaters.
8 1 2 x 8 1 2.
8 1 2 x 13.
Fireplaces can range from a small two feet by two feet and smaller up to massive creations that take up an entire room s walls with chimneys spanning two stories.
The most common case is 1 10 of the fireplace opening area but with a minimum size specified.
Outside diameter inches inside area square inches 7 1 2 x 7 1 2.
The shape and size of your fireplace depends on three main factors.
To provide adequate draft and safe venting of combustion products the chimney flue for a fireplace has to be adequate in size or cross sectional area.
The configuration and dimensions of most other components of the fireplace and chimney are based primarily on the dimensions of the fireplace opening selected.
Fireplace flue size specifications relation of fireplace size to flue opening dimensions table of required chimney flue size and flue dimensions for masonry fireplaces.
Chimney damper repair is pretty common.
Mm chimney wall brick 2 2 in.
